gh0strat | 4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5

General

Target

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
Size

4.6MB
MD5

559e2fc646e0b7910f93f94701133492
SHA1

2dcab4f67c5884d1e99b656426b6754a8da25668
SHA256

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5
SHA512

c43435009a253aadddaa91b8b705c7e9d6e89936390240b3c5ee5d9dc04b7123063704f384723b90eb8648ac79fa380a9109dff464fc7a2947b11ca9e2ef8113
SSDEEP

49152:+YREXSVMKi3UbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:L2SVMK8UbXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240674296.bat	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240674296.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exesvchcst.exe

pid process

4204 look2.exe
3496 HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
1560 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

4204 look2.exe
1496 svchost.exe
1560 svchcst.exe

pid	process
4204	look2.exe
3496	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
1560	svchcst.exe

pid	process
4204	look2.exe
1496	svchost.exe
1560	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240674296.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

pid	process
64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

pid	process
64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exesvchost.exe

description	pid	process	target process
PID 64 wrote to memory of 4204	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 64 wrote to memory of 4204	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 64 wrote to memory of 4204	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	look2.exe
PID 64 wrote to memory of 3496	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 64 wrote to memory of 3496	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 64 wrote to memory of 3496	64	4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe	HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
PID 1496 wrote to memory of 1560	1496	svchost.exe	svchcst.exe
PID 1496 wrote to memory of 1560	1496	svchost.exe	svchcst.exe
PID 1496 wrote to memory of 1560	1496	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
"C:\Users\Admin\AppData\Local\Temp\4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:64

C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4204

C:\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
C:\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
2⤵
- Executes dropped EXE
PID:3496

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1052

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240674296.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:3348

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_4f1c8e2d789294352aa5362ad35adc62f6524500d6d583960a6312d959dfe2e5.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.5MB

MD5
d1f101cdac6ecc4b82f79fb6d2176877

SHA1
d92d48adfdf4981b318ba14b69a50ee214ae0759

SHA256
f9917e2ea993b3d6f29b9fed86124c2bfb7e686749d8c99eca5dc4514b1bb167

SHA512
1cdf474e8401d6e477bec7af48e367ad6a1aaff848569546da151c1204d2b8a0b7cecda44608969962768cd9c33381c7d23a07a312e1a9fb62f2d4ddfba5b7fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\look2.exe
Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
C:\Windows\SysWOW64\240674296.bat
Filesize
51KB

MD5
b5b0b23809a81e29e52a5634ceeb0305

SHA1
24f169aa622ab574949567797557e2703967c72d

SHA256
71809cbb04f476b235fb58762fd1b0531fb559f7cdc8efc3f7801b73fff1a83e

SHA512
81d0c85b43dde5f2f72bd343b1315c16ae1a6bc687fac2da56e5075e9b05dda55445121ca06363906c82ee105056a3884f8395650705b2efede1f56e3d357103

Download Submit
C:\Windows\SysWOW64\svchcst.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads